20195715

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12583}}^1$

素因数の和:12698

約数の個数: 16

約数和(自身を含む): 32617728

約数和(自身を除く): 12422013

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12583, 37749, 62915, 188745, 1346381, 4039143, 6731905, 20195715]

約数ペア:

[(1, 20195715), (3, 6731905), (5, 4039143), (15, 1346381), (107, 188745), (321, 62915), (535, 37749), (1605, 12583)]